Backlight system of display device with printed circuit board separate from and mounted to LED substrate with support pillars
US8985796B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2011 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | May 20, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/133328
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides a backlight system, which includes an LED light source, which includes an LED lamp and an LED substrate carrying the LED lamp; a back frame, which is disposed below the LED substrate and includes at least two primary assembling pieces, the at least two primary assembling pieces being joined to form a main frame structure of the back frame; and a PCB, which is disposed below the back frame and fixed to the LED substrate. The backlight system of the present invention saves the material and space of the back frame, and lowers down the cost of the backlight system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.